Home / 21,564,404.16-29,758,759.04-11,774,778.69

Finding the Fourth Proportional to 21,564,404.16, 29,758,759.04 and 11,774,778.69

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Solution

The fourth proportional to 21,564,404.16, 29,758,759.04 and 11,774,778.69 is: 16,249,129.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,564,404.16 : 29,758,759.04 = 11,774,778.69 : x
  2. Step 2: Convert to fraction form
    21,564,404.16/29,758,759.04 = 11,774,778.69/x
  3. Step 3: Cross multiply
    21,564,404.16x = 29,758,759.04 × 11,774,778.69
  4. Step 4: Simplify right side
    21,564,404.16x = 350,402,801,692,442.94
  5. Step 5: Solve for x
    x = 350,402,801,692,442.94/21,564,404.16
  6. Step 6: Final answer
    x = 16,249,129.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.